| 摘要 |
An end cap ( 100 ) is insertable into an open end of a sleeve ( 12 ) as an end closure for forming a package ( 10 ). The end cap ( 100 ) has a housing ( 102 ) that is adapted to be closely received by the sleeve ( 12 ) and that terminates at a first end in a flanged perimeter ( 104 ). The end cap ( 100 ) also has a strut structure ( 120 ) extending between regions of the housing ( 100 ) so as to reinforce the housing ( 100 ) against deformation. The strut structure ( 120 ) may extend between regions of the housing ( 102 ) proximate the flanged perimeter ( 104 ). The strut structure ( 120 ) may take the form of a cover that is affixed to the flanged perimeter ( 104 ) of the housing ( 102 ). The cover ( 120 ) may have a perimeter ( 124 ) with an interior portion ( 122 ) extending therebetween. The perimeter ( 124 ) of the cover may be affixed to the flanged perimeter ( 104 ) of the housing ( 102 ).
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